Base-pair stacking in oriented films of DNA-surfactant complex

被引：27
|
作者：
Yang, CY
Moses, D [1 ]
Heeger, AJ
机构：
[1] Univ Calif Santa Barbara, Inst Polymers & Organ Solids, Santa Barbara, CA 93106 USA
[2] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA
[3] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA
来源：
ADVANCED MATERIALS | 2003年 / 15卷 / 16期
关键词：
D O I：
10.1002/adma.200305171
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The sensitivity of DNA base-pair stacking to water content, as shown here, may be responsible for widely different transport results reported in the literature. Oriented films of a DNA-surfactant complex in which aligned double helices are separated by 4.1 nm, with face-to-face base-pair stacking, bases separated by 0.34 nm, and good pi-pi overlap, are examined. Dehydration drives the base pairs from parallel planar packing to edge packing with poor pi-pi overlap (see Figure).
引用
收藏
页码：1364 / +
页数：5
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